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    Full Waveform Inversion for Reservoir Characterization - A Synthetic Study

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    Type
    Conference Paper
    Authors
    Zabihi Naeini, E.
    Kamath, N.
    Tsvankin, I.
    Alkhalifah, Tariq Ali cc
    KAUST Department
    Earth Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Seismic Wave Analysis Group
    Date
    2017-05-26
    Online Publication Date
    2017-05-26
    Print Publication Date
    2017-06-12
    Permanent link to this record
    http://hdl.handle.net/10754/624907
    
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    Abstract
    Most current reservoir-characterization workflows are based on classic amplitude-variation-with-offset (AVO) inversion techniques. Although these methods have generally served us well over the years, here we examine full-waveform inversion (FWI) as an alternative tool for higher-resolution reservoir characterization. An important step in developing reservoir-oriented FWI is the implementation of facies-based rock physics constraints adapted from the classic methods. We show that such constraints can be incorporated into FWI by adding appropriately designed regularization terms to the objective function. The advantages of the proposed algorithm are demonstrated on both isotropic and VTI (transversely isotropic with a vertical symmetry axis) models with pronounced lateral and vertical heterogeneity. The inversion results are explained using the theoretical radiation patterns produced by perturbations in the medium parameters.
    Citation
    Zabihi Naeini E, Kamath N, Tsvankin I, Alkhalifah T (2017) Full Waveform Inversion for Reservoir Characterization - A Synthetic Study. 79th EAGE Conference and Exhibition 2017. Available: http://dx.doi.org/10.3997/2214-4609.201701246.
    Publisher
    EAGE Publications
    Journal
    79th EAGE Conference and Exhibition 2017
    DOI
    10.3997/2214-4609.201701246
    Additional Links
    http://www.earthdoc.org/publication/publicationdetails/?publication=88963
    ae974a485f413a2113503eed53cd6c53
    10.3997/2214-4609.201701246
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Earth Science and Engineering Program

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